save project

diy2.py

-i=3
 username = "python"
 userpassword = "123456"
+i=3
 while True:
     if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         i-=1
-        if name == username and password == userpassword:
+        if name == username and userpassword == userpassword:
             print("登录成功!")
             break
-        if name != username:
-        print("用户名错误!请重新输入")
-        continue    
-        if password !=userpassword:
-        print("密码错误!请重新输入")    
+        if name!= username:
+           print("用户名错误!请重新输入")
+           print("温馨提示,您还有"+str(i)+"次登陆机会")
+           continue    
+        if password!=userpassword:
+           print("密码错误!请重新输入")
+           print("温馨提示,您还有"+str(i)+"次登陆机会")    
     else:
        print("账户已锁定,请来解冻")
-       exit
+       exit()
 print("欢迎来到贝尔编程!")
\ No newline at end of file